68875666 has 8 divisors (see below), whose sum is σ = 103359744. Its totient is φ = 34422420.

The previous prime is 68875663. The next prime is 68875669. The reversal of 68875666 is 66657886.

It is an interprime number because it is at equal distance from previous prime (68875663) and next prime (68875669).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68875663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930 + ... + 11773.

It is an arithmetic number, because the mean of its divisors is an integer number (12919968).

Almost surely, 2^68875666 is an apocalyptic number.

68875666 is a deficient number, since it is larger than the sum of its proper divisors (34484078).

68875666 is a wasteful number, since it uses less digits than its factorization.

68875666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15416.

The product of its digits is 2903040, while the sum is 52.

The square root of 68875666 is about 8299.1364611024. The cubic root of 68875666 is about 409.9100853790.

The spelling of 68875666 in words is "sixty-eight million, eight hundred seventy-five thousand, six hundred sixty-six".